S3C9454B View Datasheet(PDF) - Samsung
Part Name
Description
MFG CO.
'S3C9454B' PDF : 199 Pages View PDF
ADDRESS SPACES
S3C9454B/F9454B
PROGRAM MEMORY (ROM)
Normal Operating Mode
The S3C9454B/F9454B have 4-Kbytes (locations 0H–0FFFH) of internal mask-programmable program memory.
The first 2-bytes of the ROM (0000H–0001H) are interrupt vector address.
Unused locations (0002H–00FFH except 3CH, 3DH, 3EH, 3FH) can be used as normal program memory.
3CH, 3DH, 3EH, 3FH is used smart option ROM cell.
The program Reset address in the ROM is 0100H.
(Decimal)
4.095
(HEX)
1000H
4-Kbyte
Program
Memory
Area
256
0100H
Program Start
64 Smart option ROM cell 0040H
60
003CH
2
0002H
1
Interrupt Vector
0001H
0
0000H
Figure 2-1. Program Memory Address Space
2-2
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